{
  "threat_severity" : "Moderate",
  "public_date" : "2026-04-06T13:36:20Z",
  "bugzilla" : {
    "description" : "tar: tar: Hidden file injection via crafted archives",
    "id" : "2455360",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2455360"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.0",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-434",
  "details" : [ "A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.", "A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection." ],
  "acknowledgement" : "Red Hat would like to thank Guillermo de Angel Garcia for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-09-01T00:00:00Z",
    "advisory" : "RHSA-2026:61586",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "tar-2:1.35-13.el10_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-08-31T00:00:00Z",
    "advisory" : "RHSA-2026:61581",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "tar-2:1.34-13.el9_8"
  }, {
    "product_name" : "Red Hat Discovery 2",
    "release_date" : "2026-08-31T00:00:00Z",
    "advisory" : "RHSA-2026:61783",
    "cpe" : "cpe:/a:redhat:discovery:2::el9",
    "package" : "discovery/discovery-server-rhel9:1788205779"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Fix deferred",
    "package_name" : "tar",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Fix deferred",
    "package_name" : "tar",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "tar",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Affected",
    "package_name" : "tar",
    "cpe" : "cpe:/a:redhat:hummingbird:1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-5704\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5704" ],
  "name" : "CVE-2026-5704",
  "mitigation" : {
    "value" : "To mitigate this issue, avoid extracting archives from untrusted sources. If processing untrusted archives is necessary, do so within a sandboxed environment to limit potential impact.",
    "lang" : "en:us"
  },
  "csaw" : false
}